# list1 = [123,222,"ttt"]
# #浅copy
# list2 = list1.copy()

# print (list1)
# print (list2)

# print (id(list1))
# print (id(list2))

# print (id(list1[0]))
# print (id(list2[0]))


count=0
while count < 5:
    print (count)
    count+=1
print ("顶级代码")

while True:
    a=1/3
    b=4/100
    c=a+b